Question about Sony Grand WEGA KF42SX200 42" TV
Self protection circuit will cause this---see if blinks are in a sequence---5 blinks, pause and 5 blinks etc---that will be a error code and you Can Google the model number to learn what the error is and what in general causes it.
Posted on Dec 08, 2012
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Posted on Jan 02, 2017
New bulb is just fine.
3 blink shows that lamp cover after replacement of bulb in TV is not fixed properly or not seated well in its position.
Put new bulb and carefully place back lamp cover in its position because lamp cover will press tinny safety switch inside that will send signal to system control of TV that lamp is installed properly.
Turn On TV and get vivid picture of Sony.
Posted on Oct 17, 2009
5 times Red LED blinks means Lamp Driver Error. (KDF-55WF655)
2 possible reasons, either Lamp is gone or Ballast Supply got bad.
Replace lamp first, in most cases it solved the problem.
How old is this TV and did you replaced lamp recently?
Posted on Oct 21, 2009
need to know how many time the red light is blinking there should be a pause. 4 blinks is a fan, 3 blinks is the lamp door is not closed 6 blinks is thermal sensor.
Posted on Apr 22, 2010
This kind of problem occurs when lamp becomes weak that means near to end of working life hours but still not dead nor broken.
Replacement of lamp in tv will solve your problem, lamp replacement procedure is easy and would be written in user manual.
Posted on Oct 30, 2010
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